package com.renwei.shiro.test.realm;

import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.realm.Realm;

public class MyRealm4 implements Realm {

	@Override
	public AuthenticationInfo getAuthenticationInfo(AuthenticationToken token)
			throws AuthenticationException {
		String username = (String) token.getPrincipal(); //得到用户名
		String password = new String((char[])token.getCredentials()); //得到密码
		if(!"renwei".equals(username)){
			throw new UnknownAccountException(); //用户名错误
		}
		if(!"111111".equals(password)){
			throw new IncorrectCredentialsException(); //密码错误
		}
		//如果身份认证验证成功，返回一个AuthenticationInfo实现；
		return new SimpleAuthenticationInfo(username, password, getName());
	}

	@Override
	public String getName() {
		return "MyRealm4";
	}

	@Override
	public boolean supports(AuthenticationToken token) {
		//仅支持UsernamePasswordToken类型的Token
		return token instanceof UsernamePasswordToken;
	}

}
